单词	印板石
释义	同石印石 -- 印板石
随便看	permanent water ballast pump permanent water-proofing agent permanent wave permanent way permanent weight permanent white permanent wilting permanent wilting coefficient permanent wilting--irreversible wilting permanent wilting percentage permanent wilting point permanent wind permanent winds permanent work permanent zone permanert wilting permanganate permanganate ion permanganate method permanganate number permanganate of potash permanganate of potash; potassium permanganate permanganates permanganate titration permanganate value